IDENTIFIERS

  • Current Taxon Name (Soil Name): Ascalon
  • OSD
  • Series Extent
  • User Site ID: S2016CO123011
  • User Pedon ID: S2016CO123011
  • Vegetation Plot ID: S2016CO123011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 16N0635
  • User Project ID: CPER_010_NEON
  • Project Name: Central Plains Experimental Range
  • Print Date: 12/5/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 40.7979444
  • Std. Longitude: -104.6845278
  • Datum: WGS84
  • Township: 10N
  • Range: 65W
  • Section: 29
  • PLSS Details: 2,125 feet west and 235 feet north from the southeast corner
  • Location Description: Soil pit located 10.3 meters at a 244 degree angle from the southeast corner of the 20m x 20m plot to the center of the soil pit.
  • Map Unit: 45—Olney fine sandy loam, 6 to 9 percent slopes
  • State: Colorado
  • County: CO123—Weld
  • MLRA: 67B—Central High Plains, Southern Part
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO617—Weld County, Colorado, Northern Part
  • 7.5 Minute USGS Quad: 40104-G6—Eastman Creek South, Colorado

    • PEDON

  • Describers Name: Andy Steinert
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 11
  • Sampled As Information:
  • Soil Name - Ascalon
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Taxon Kind - series
  • PSC - 20 to 68 cm.
  • Classificaton Date - 3/16/2016
  • Classifier - Andy Steinert
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium
  • Landform: hill
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Ksat Class Upper: moderately low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • RaCA Site ID - CPER_030
  • DSP Plot ID - SE
  • Plot Baseline Azimuth - 244
  • Plot Baseline Length - 10
  • Plot Width - 20
  • Plot/Site Set Up By - Center of pit
  • Plot or Site Recorder - Andy Steinert

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/16/2016 (actual site observation date)
  • Data Collector: Andy Steinert
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - overcast
  • Current Air Temp - 7
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    BCk

    68

    100

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    BCk

    68

    100

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    BCk

    68

    100

    —

    —

    —

    —

    —

    —

    —

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARIST

    ATCA2

    BODA2

    BOGR2

    OPPO

    Aristida

    Atriplex canescens

    Bouteloua dactyloides

    Bouteloua gracilis

    Opuntia polyacantha

    threeawn

    fourwing saltbush

    buffalograss

    blue grama

    plains pricklypear

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    secondary carbonates

    0—20

    20—68

    41—100

    —20—

    —48—

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    4

    —

    —

    1608.1

    —

    50

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) broken face, dark brown (10YR 3/3) broken face, moist; sandy clay loam; 22 percent clay; weak medium subangular blocky parts to weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; Ksat of 9.17 um/s; moderate permeability; common (3.0) fine roots throughout; common (2.0) fine tubular pores; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.8, pH meter; clear smooth boundary. Lab sample # 16N02738; observed in pit, small
    Bt—20 to 41 centimeters (7.9 to 16.1 inches); yellowish brown (10YR 5/4) broken face, brown (10YR 4/3) broken face, moist; sandy clay; 38 percent clay; weak medium prismatic parts to weak fine subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; Ksat of 0.915 um/s; slow permeability; common (2.0) fine roots throughout; common (1.0) fine tubular pores; 25 percent distinct clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.8, pH meter; clear smooth boundary. Lab sample # 16N02739; observed in pit, small. continuous - phpvsfiid 1555291; continuous - phpvsfiid 1555291
    Btk—41 to 68 centimeters (16.1 to 26.8 inches); yellowish brown (10YR 5/4) broken face, dark yellowish brown (10YR 4/4) broken face, moist; sandy clay loam; 25 percent clay; moderate coarse prismatic parts to weak medium subangular blocky, and moderate medium prismatic parts to weak medium subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; Ksat of 9.17 um/s; moderate permeability; common (2.0) fine roots throughout; common (1.0) medium tubular and common (1.0) fine tubular pores; 20 percent distinct clay films on all faces of peds; 4 percent fine irregular carbonate masses in matrix and 1 percent very fine threadlike carbonate masses in matrix; , 2 percent by weight nonflat subrounded indurated 2-3-20 millimeter mixed fragments observed by visual inspection method; strong effervescence, by hcl, 1n; neutral, pH 7.3, pH meter; clear smooth boundary. Lab sample # 16N02740; observed in pit, small. continuous - phpvsfiid 1555292; continuous - phpvsfiid 1555292
    BCk—68 to 100 centimeters (26.8 to 39.4 inches); light yellowish brown (10YR 6/4) broken face, yellowish brown (10YR 5/4) broken face, moist; sandy loam; 12 percent clay; massive parts to single grain; slightly hard, friable, nonsticky, nonplastic; Ksat of 28.225 um/s; moderately rapid permeability; very few very fine roots; few very fine pores; 10 percent medium irregular carbonate masses in matrix and 2 percent medium irregular carbonate masses on bottom of rock fragments; , 8 percent by weight nonflat subrounded indurated 2-5-75 millimeter mixed fragments observed by visual inspection method; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, pH meter. Lab sample # 16N02741; observed in pit, small